# DeepSeek V4 Flash 0420 release · 2026-04-24 · snapshot 2026-10-26

Creator: DeepSeek · 3 effort levels

| Effort level | Input modalities | Intelligence | Total cost | E2E | On the frontier today | ID |
|---|---|---|---|---|---|---|
| DeepSeek V4 Flash 0420 (High) | Text | 24.40 | $121 | - | no | `deepseek-v4-flash-0420-high` |
| DeepSeek V4 Flash 0420 (Max) | Text | 24.20 | $149 | 104.6s | no | `deepseek-v4-flash-0420` |
| DeepSeek V4 Flash 0420 (Non-reasoning) | Text | 18.90 | - | - | no | `deepseek-v4-flash-0420-non-reasoning` |

Open weights · on the open-weights frontier today: 0 of 3

## Launch day (2026-04-24)

- Reached the frontier: 1 of 3
- Reached the open-weights frontier: 1 of 3
- Impact (intelligence × log-cost hypervolume gained): 0.73
- Rank: #26 of 46 releases this past year
- DeepSeek V4 Flash 0420 (Max) missed: 0.2 points below DeepSeek V4 Flash 0420 (High) at 1.23× its cost


> Metrics snapshot: 2026-10-26T03:27:40Z. Intelligence index version: unknown. Release timeline, frontier age, release impact and shakeup cards are reconstructions using one selected snapshot's metrics, not a record of what was known at release. Scores, benchmark cost and derived value may change when the index methodology changes. Source documentation advertises v4.3.2; API correspondence is unverified.